#include <iostream>
using namespace std;

struct node
{ int info;
  node *left;
  node *right;
};


int main()
{ node* root=NULL;

  root = new node;
  root->info = 50;
  root->left = NULL;
  root->right = NULL;
  
  node * p = new node;
  p->info = 40;
  p->left = NULL;
  p->right = NULL;
  root->left = p;
  
  p = new node;
  p->info = 70;
  p->left = NULL;
  p->right = NULL;
  root->right = p;
  
  
         
  return 0;
}    
